Home / 278,447.64-384,257.54-151,123.34

Finding the Fourth Proportional to 278,447.64, 384,257.54 and 151,123.34

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Solution

The fourth proportional to 278,447.64, 384,257.54 and 151,123.34 is: 208,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,447.64 : 384,257.54 = 151,123.34 : x
  2. Step 2: Convert to fraction form
    278,447.64/384,257.54 = 151,123.34/x
  3. Step 3: Cross multiply
    278,447.64x = 384,257.54 × 151,123.34
  4. Step 4: Simplify right side
    278,447.64x = 58,070,280,188.08
  5. Step 5: Solve for x
    x = 58,070,280,188.08/278,447.64
  6. Step 6: Final answer
    x = 208,550.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.